(0 20 18 6 4)(1 21 3)(2 16 12 10 8)(5 11 9)(7 15 14)(13 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 2 10)
(0 8 2 20 18 6 4)(1 21 3)(5 11 9)(7 15 14)(10 16 12)(13 19 17)
2: (1 21 3)
(0 8 2 20 18 6 4)(1)(3)(5 11 9)(7 15 14)(10 16 12)(13 19 17)(21)
3: (2 20 8)
(0 8 18 6 4)(1)(2)(3)(5 11 9)(7 15 14)(10 16 12)(13 19 17)(20)(21)
4: (5 11 9)
(0 8 18 6 4)(1)(2)(3)(5)(7 15 14)(9)(10 16 12)(11)(13 19 17)(20)(21)